A Universal Adapter Used in a DNA Sequencing Run Starts

Multiple Choice

A universal adapter used in a DNA sequencing run starts 5′-TGCAGTA….What would be the sequence of the corresponding universal primer? (Note: "…" represents many nucleotides.)

A) 5′-ACGTCAT…-3′
B) 5′-TGCAGTA…-3′
C) 5′-…TGCAGTA-3′
D) 5′-…UGCAGUA-3′
E) 5′-UGCAGUA…-3′